AFM-mapped nanoscale absorber-driven laser damage in UV high-reflector multilayers

Semyon Papernov; Ansgar W. Schmid; J. Anzelotti; Douglas J. Smith; Z. Roman Chrzan

doi:10.1117/12.240395

27 May 1996 AFM-mapped nanoscale absorber-driven laser damage in UV high-reflector multilayers

Semyon Papernov, Ansgar W. Schmid, J. Anzelotti, Douglas J. Smith, Z. Roman Chrzan

Proceedings Volume 2714, 27th Annual Boulder Damage Symposium: Laser-Induced Damage in Optical Materials: 1995; (1996) https://doi.org/10.1117/12.240395
Event: Laser-Induced Damage in Optical Materials: 1995, 1995, Boulder, CO, United States

Abstract

Submicrometer lateral-size craters that develop independently of the presence of micron-scale growth nodules and whose number density follows the intensity profile of the full laser beam are the dominant laser-damage features in 351-nm high-reflector production coatings on the University of Rochester's 60-beam OMEGA laser. Coupled with the observation that the smallest measured damage craters allow for initiating absorber sizes not larger than 10 nm, the experimental evidence points toward randomly distributed nano-cluster absorbers as the sources for energy transfer from the optical field to the porous film medium.

Citation Download Citation

Semyon Papernov, Ansgar W. Schmid, J. Anzelotti, Douglas J. Smith, and Z. Roman Chrzan "AFM-mapped nanoscale absorber-driven laser damage in UV high-reflector multilayers", Proc. SPIE 2714, 27th Annual Boulder Damage Symposium: Laser-Induced Damage in Optical Materials: 1995, (27 May 1996); https://doi.org/10.1117/12.240395

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